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ruslelena [56]
3 years ago
14

In general, how does biodiversity vary across the biosphere?

Biology
1 answer:
Tamiku [17]3 years ago
4 0
Life needs energy, water, heat and nutrients. Reduce the availability of one or more of those things and biodiversity generally decreases.

Tropical forests tend to be more diverse than polar ice caps. However, arctic seas tend to be more biologically interesting than the middle of the Sahara. I bet this is what your homework is looking for but it's important to remember there are counterexamples.
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How did NASA help to uncover the adaptations that are made due to living in extreme environments?
Marysya12 [62]

Answer:

A

Explanation:

I took this at flvsa lol

5 0
3 years ago
Biotic factors cannot live without abiotic factors.<br><br> True<br> False
sergeinik [125]
Depends, if the biotic factor is a chipmunk or something of that case, its natural habitat is a rock, which is biotic. but...if the animal is something like a deer they don't need abiotic factors. its your chose to chose but I'm leaning more twords false because not ALL biotic factors cant go without an abiotic factor
7 0
4 years ago
PLEASE HELP!
Norma-Jean [14]
Proteins have structural roles throughout the body. Carbohydrates are the major energy source for cells in the body. I am unsure if lipids or nucleic acids apply. 
7 0
3 years ago
A survey reveals that 25 percent of a population of 1,000 individuals have attached earlobes (are homozygous recessive for the t
Mumz [18]

Answer:

d. pxp +2pq

Explanation:

The formula for genotype frequency for a population in Hardy-Weinburg equilibrium is as under:

                           p² + 2pq + q² = 1

where, p = dominant allele

           q = recessive allele

Here,

 p² represents frequency of homozygous dominant genotype

2pq represents frequency of heterozygous genotype

q² represents frequency of homozygous recessive genotype

Also, although the genotypes p² & 2pq are different from each other yet phenotypically they both will collectively produce dominant trait i.e. free ear lobes not attached earlobes. So the term "p² + 2pq or pxp + 2pq" represents the frequency of the individuals who show the dominant phenotype in this particular population. Dominant phenotype will comprise 75% of the population.

4 0
3 years ago
For which reasons would a male peacock spread his tail feathers? Check all that apply.
Orlov [11]

Answer:

to attract a peahen

Explanation:

This bird spreads it's feathers to attract mates. These birds love the display of male peafowl as much as we do.

3 0
4 years ago
Read 2 more answers
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